Will County, Illinois, United States

Last updated: 11:22 PM CDT · Refresh

21°C

Feels like 23°

Mostly Cloudy

▲ 30° / ▼ 18°

Wind

5 mph NE

Humidity

97%

Dew Point

20°

Pressure

29.22 inHg

Visibility

3 mi

UV Index

0.0

Cloud Cover

68%

Sunrise

5:23 AM

Sunset

8:28 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Will County is currently mostly cloudy at 21°C. Precipitation is likely — peak probability 51% around 11 PM. Atmospheric instability is elevated (CAPE up to 753 J/kg) — isolated convective development possible. Sunrise: 5:23AM · Sunset: 8:28PM.

53 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

21°

51%

12 AM

22°

41%

1 AM

21°

30%

2 AM

21°

32%

3 AM

20°

29%

4 AM

20°

30%

5 AM

18°

32%

6 AM

18°

27%

7 AM

19°

27%

8 AM

19°

32%

9 AM

21°

21%

10 AM

22°

21%

11 AM

22°

33%

12 PM

23°

25%

1 PM

25°

25%

2 PM

25°

25%

3 PM

25°

22%

4 PM

24°

24%

5 PM

25°

24%

6 PM

24°

12%

7 PM

23°

12%

8 PM

23°

11%

9 PM

21°

11%

10 PM

21°

11%

7-Day Forecast

Tonight

30° 18°

Mostly Cloudy with a 51% chance of rain.

Sun

26° 18°

Mostly Cloudy with a 33% chance of rain.

Mon

27° 17°

Clear.

Tue

28° 16°

Clear.

Wed

27° 16°

Mostly Cloudy with a 37% chance of rain.

Thu

26° 18°

Rain, 90% chance.

Fri

26° 16°

Drizzle, 52% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 21° Mostly Cloudy 51% 5 mph NE 97%

12 AM 22° Partly Cloudy 41% 5 mph NE 97%

1 AM 21° Mostly Cloudy 30% 5 mph NE 98%

2 AM 21° Overcast 32% 4 mph N 98%

3 AM 20° Overcast 29% 4 mph NNW 98%

4 AM 20° Haze 30% 5 mph NNW 98%

5 AM 18° Overcast 32% 5 mph NW 97%

6 AM 18° Overcast 27% 5 mph NNW 96%

7 AM 19° Mostly Cloudy 27% 6 mph NNW 94%

8 AM 19° Overcast 32% 6 mph N 92%

9 AM 21° Overcast 21% 6 mph N 90%

10 AM 22° Overcast 21% 7 mph N 89%

11 AM 22° Overcast 33% 8 mph N 88%

12 PM 23° Overcast 25% 9 mph N 87%

1 PM 25° Mostly Cloudy 25% 10 mph NNE 86%

2 PM 25° Mostly Cloudy 25% 11 mph NNE 86%

3 PM 25° Mostly Cloudy 22% 11 mph NNE 86%

4 PM 24° Partly Cloudy 24% 11 mph NNE 86%

5 PM 25° Partly Cloudy 24% 11 mph NNE 87%

6 PM 24° Partly Cloudy 12% 11 mph NNE 88%

7 PM 23° Partly Cloudy 12% 10 mph NNE 89%

8 PM 23° Partly Cloudy 11% 10 mph NNE 89%

9 PM 21° Partly Cloudy 11% 9 mph NNE 89%

10 PM 21° Partly Cloudy 11% 9 mph NNE 90%

15-Day Forecast

Today

7/4

Mostly Cloudy

51%

18°

30°

Sun

7/5

Mostly Cloudy

33%

18°

26°

Mon

7/6

Clear

17°

27°

Tue

7/7

Clear

16°

28°

Wed

7/8

Mostly Cloudy

37%

16°

27°

Thu

7/9

Rain

90%

18°

26°

Fri

7/10

Drizzle

52%

16°

26°

Sat

7/11

Clear

31%

17°

26°

Sun

7/12

Drizzle

44%

14°

26°

Mon

7/13

Clear

19%

14°

27°

Tue

7/14

Drizzle

60%

18°

28°

Wed

7/15

Drizzle

60%

19°

29°

Thu

7/16

Drizzle

60%

19°

28°

Fri

7/17

Drizzle

60%

19°

28°

Sat

7/18

Drizzle

60%

19°

28°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

53 AQI 10.4 µg/m³

O₃

Ground-level ozone

39 AQI 43 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 53 Moderate 39 53

Mon 49 Good 46 49

Tue 58 Moderate 42 58

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Sun Jul 5, 03:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE6 J/kg

MLCAPE49 J/kg

MUCAPE100 J/kg

SBCIN-55 J/kg

MLCIN0 J/kg

Lifted Index1.3

Kinematics

0–6 km Shear21 kt

0–1 km Shear5 kt

Eff. Shear—

0–1 km SRH21

0–3 km SRH15

Eff. SRH—

Storm Motion167° @ 14 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index36.3

Thermo & Levels

PWAT2.02 in

0–3 km LR4.6 °C/km

700–500 LR4.9 °C/km

Total Totals42.8

LCL979 hPa

LFC699 hPa

EL597 hPa

Freezing Lvl14,554 ft

Will County, Illinois, United States

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